William Herschel discovered NGC 3408 = H III-913 = h770 on 8 Apr 1793 (sweep 1038) and noted "vF, vS." His RA, which I rereduced, is 15 seconds too small. On 9 Feb 1831 (sweep 323), John Herschel recorded "vF; S; R: is north of 2 pB stars forming an isosceles triangle."

400/500mm - 17.5" (3/19/88): faint, small, round, broad concentration, diffuse, no sharp edges or nucleus. A mag 15 star is 1.6' NE. Located 4.2' NNE of mag 8.8 SAO 27804.

Notes by Steve Gottlieb